The command for automated downgrades (be careful!) is:
apt list | grep 2:4.3.11+dfsg-0ubuntu0.16.04.26 | grep installed | sed 's,/.*,=2:4.3.8+dfsg-0ubuntu1,' | xargs apt install
If the `apt install` would do what you expect, add '-y' to the end and run again.
The command for automated downgrades (be careful!) is:
apt list | grep 2:4.3.11+ dfsg-0ubuntu0. 16.04.26 | grep installed | sed 's,/.*, =2:4.3. 8+dfsg- 0ubuntu1, ' | xargs apt install
If the `apt install` would do what you expect, add '-y' to the end and run again.